<template>
  <view class="content">
    <view class="navbar">
      <view
        v-for="(item, index) in navList"
        :key="index"
        class="nav-item"
        :class="{current: tabCurrentIndex === index}"
        @click="tabClick(index)"
      >
        {{ item.text }}
      </view>
    </view>
    <!-- 支付宝小程序 无法监听到 @change事件 -->
    <!-- #ifndef MP-ALIPAY -->
    <swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
      <swiper-item v-for="(tabItem,tabIndex) in navList" :key="tabIndex" class="tab-content">
        <scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
          <!-- 空白页 -->
          <empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0" />
          <!-- 订单列表 -->
          <view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item">
            <navigator :url="'/pages/order/detail?orderid=' + item.id">
              <view class="i-top b-b">
                <text class="time">
                  {{ item.gmtCreate | dateFormat }}
                </text>
                <text class="state">
                  {{ statusMap[item.status] }}
                </text>
              </view>

              <scroll-view v-if="item.skuList.length > 1" class="goods-box" scroll-x>
                <view v-for="(skuItem, skuIndex) in item.skuList" :key="skuIndex" class="goods-item">
                  <image class="goods-img" :src="skuItem.img + style(200)" mode="aspectFill" />
                </view>
              </scroll-view>
              <view v-for="(skuItem, skuIndex) in item.skuList" v-show="item.skuList.length === 1" :key="skuIndex" class="goods-box-single">
                <image class="goods-img" :src="skuItem.img + style(200)" mode="aspectFill" />
                <view class="right">
                  <text class="title clamp">
                    {{ skuItem.spuTitle }}
                  </text>
                  <text class="attr-box">
                    {{ skuItem.title }} x {{ skuItem.num }}
                  </text>
                  <text class="price">
                    {{ skuItem.price / 100.0 }}
                  </text>
                </view>
              </view>

              <view class="price-box">
                共
                <text class="num">
                  {{ item.skuCount }}
                </text>
                件商品 实付款
                <text class="price">
                  {{ item.actualPrice / 100.0 }}
                </text>
              </view>
            </navigator>
            <view v-if="item.status == 10" class="action-box b-t">
              <button :disabled="submiting" class="action-btn" @click="cancelOrder(item)">
                取消订单
              </button>
              <button class="action-btn recom" @click="payOrder(item)">
                立即支付
              </button>
            </view>
            <view v-if="item.status == 20" class="action-box b-t">
              <button :disabled="submiting" class="action-btn" @click="refundOrder(item)">
                申请退款
              </button>
            </view>
            <view v-if="item.status == 30" class="action-box b-t">
              <button :disabled="submiting" class="action-btn" @click="refundOrder(item)">
                申请退款
              </button>
              <button :disabled="submiting" class="action-btn" @click="showShipTrace(item)">
                查看物流
              </button>
              <button :disabled="submiting" class="action-btn recom" @click="confirmOrder(item)">
                确认收货
              </button>
            </view>
            <view v-if="item.status == 40" class="action-box b-t">
              <view>
                <button :disabled="submiting" class="action-btn recom" @click="appraiseOrder(item)">
                  立即评价
                </button>
              </view>
            </view>
          </view>
          <!-- #ifndef MP-ALIPAY -->
          <uni-load-more :status="tabItem.loadingType" />
          <!-- #endif -->
        </scroll-view>
      </swiper-item>
    </swiper>
    <!-- #endif -->
    <!-- #ifdef MP-ALIPAY -->
    <view class="swiper-box" duration="300">
      <view v-for="(tabItem,tabIndex) in navList" v-show="tabCurrentIndex === tabIndex" :key="tabIndex" class="tab-content">
        <scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
          <!-- 空白页 -->
          <empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0" />
          <!-- 订单列表 -->
          <view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item">
            <navigator :url="'/pages/order/detail?orderid=' + item.id">
              <view class="i-top b-b">
                <text class="time">
                  {{ item.gmtCreate | dateFormat }}
                </text>
                <text class="state">
                  {{ statusMap[item.status] }}
                </text>
              </view>

              <scroll-view v-if="item.skuList.length > 1" class="goods-box" scroll-x>
                <view v-for="(skuItem, skuIndex) in item.skuList" :key="skuIndex" class="goods-item">
                  <image class="goods-img" :src="skuItem.img + style(200)" mode="aspectFill" />
                </view>
              </scroll-view>
              <view v-for="(skuItem, skuIndex) in item.skuList" v-show="item.skuList.length === 1" :key="skuIndex" class="goods-box-single">
                <image class="goods-img" :src="skuItem.img + style(200)" mode="aspectFill" />
                <view class="right">
                  <text class="title clamp">
                    {{ skuItem.spuTitle }}
                  </text>
                  <text class="attr-box">
                    {{ skuItem.title }} x {{ skuItem.num }}
                  </text>
                  <text class="price">
                    {{ skuItem.price / 100.0 }}
                  </text>
                </view>
              </view>

              <view class="price-box">
                共
                <text class="num">
                  {{ item.skuCount }}
                </text>
                件商品 实付款
                <text class="price">
                  {{ item.actualPrice / 100.0 }}
                </text>
              </view>
            </navigator>
            <view v-if="item.status == 10" class="action-box b-t">
              <button :disabled="submiting" class="action-btn" @click="cancelOrder(item)">
                取消订单
              </button>
              <button class="action-btn recom" @click="payOrder(item)">
                立即支付
              </button>
            </view>
            <view v-if="item.status == 20" class="action-box b-t">
              <button :disabled="submiting" class="action-btn" @click="refundOrder(item)">
                申请退款
              </button>
            </view>
            <view v-if="item.status == 30" class="action-box b-t">
              <button :disabled="submiting" class="action-btn" @click="refundOrder(item)">
                申请退款
              </button>
              <button :disabled="submiting" class="action-btn" @click="showShipTrace(item)">
                查看物流
              </button>
              <button :disabled="submiting" class="action-btn recom" @click="confirmOrder(item)">
                确认收货
              </button>
            </view>
            <view v-if="item.status == 40" class="action-box b-t">
              <view>
                <button :disabled="submiting" class="action-btn recom" @click="appraiseOrder(item)">
                  立即评价
                </button>
              </view>
            </view>
          </view>
        </scroll-view>
      </view>
    </view>
    <!-- #endif -->
    <neil-modal
      :show="refundShow"
      title="退款"
      @close="refundShow = false"
      @cancel="refundShow = false"
      @confirm="refundConfirm"
    >
      <input v-show="refundShow" v-model="inputRefundReason" style="margin:20upx" placeholder="简要描述退款理由..">
    </neil-modal>
  </view>
</template>

<script>
import neilModal from '@/components/neil-modal/neil-modal.vue'
import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue'
import empty from '@/components/empty'
export default {

  components: {
    uniLoadMore,
    empty,
    neilModal
  },
  data() {
    return {
      style: this.$api.style,
      statusMap: {
        10: '未付款',
        12: '正在拼团',
        20: '待出库',
        30: '待收货',
        40: '待评价',
        50: '已完成',
        60: '退款中',
        70: '已退款',
        80: '已取消',
        90: '已取消(系统)'
      },
      submiting: false,
      refundShow: false,
      inputRefundReason: '',
      refundOrderItem: '',
      tabCurrentIndex: 0,
      navList: [{
        state: 0,
        text: '全部',
        loadingType: 'more',
        pageNo: 1,
        orderList: []
      },
      {
        state: 10,
        text: '待付款',
        loadingType: 'more',
        pageNo: 1,
        orderList: []
      },
      {
        state: 20,
        text: '待出库',
        loadingType: 'more',
        pageNo: 1,
        orderList: []
      },
      {
        state: 30,
        text: '待收货',
        loadingType: 'more',
        pageNo: 1,
        orderList: []
      },
      {
        state: 40,
        text: '待评价',
        loadingType: 'more',
        pageNo: 1,
        orderList: []
      },
      {
        state: 60,
        text: '退款中',
        loadingType: 'more',
        pageNo: 1,
        orderList: []
      }
      ]
    }
  },
  onLoad(options) {
    /**
	 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
	 * 替换onLoad下代码即可
	 */
    this.tabCurrentIndex = 0
    for (let i = 0; i < this.navList.length; i++) {
      if (this.navList[i].state === parseInt(options.state)) {
        this.tabCurrentIndex = i
      }
    }
    // #ifndef MP
    this.loadData()
    // #endif
    // #ifdef MP
    if (parseInt(options.state) === 0) {
      this.loadData()
    }
    // #endif
  },

  methods: {
    // 获取订单列表
    loadData(source) {
      const that = this
      // 这里是将订单挂载到tab列表下
      const index = that.tabCurrentIndex
      const navItem = that.navList[index]
      if (source === 'tabChange' && navItem.loaded === true) {
        // tab切换只有第一次需要加载数据
        return
      }
      if (navItem.loadingType === 'loading') {
        // 防止重复加载
        return
      }
	  if (source === 'refresh') {
		  navItem.pageNo = 1
		  navItem.orderList = []
		}
      navItem.loadingType = 'loading'
      that.$api.request('order', 'getOrderPage', {
        pageNo: navItem.pageNo,
        status: navItem.state
      }).then(res => {
        navItem.pageNo = res.data.pageNo + 1
        navItem.loadingType = res.data.pageNo < res.data.totalPageNo ? 'more' : 'noMore'
        res.data.items.forEach(item => {
          navItem.orderList.push(item)
          item.skuCount = 0
          item.skuList.forEach(skuItem => {
            item.skuCount += skuItem.num
          })
        })
        // loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
        that.$set(navItem, 'loaded', true)
      })
    },
    // swiper 切换
    changeTab(e) {
      this.tabCurrentIndex = e.target.current
      this.loadData('tabChange')
    },
    // 顶部tab点击
    tabClick(index) {
      this.tabCurrentIndex = index
      // #ifdef MP-ALIPAY
      this.loadData('tabChange')
      // #endif
    },
    payOrder(item) {
      uni.navigateTo({
        url: '/pages/pay/pay?orderno=' + item.orderNo + '&price=' + item.actualPrice
      })
    },
    // 取消订单
    cancelOrder(item) {
      const that = this
      uni.showModal({
        title: '取消？',
        content: '您确定要取消此订单吗？',
        success: (e) => {
          if (e.confirm) {
            that.submiting = true
            that.$api.request('order', 'cancel', {
              orderNo: item.orderNo
            }, failres => {
              that.submiting = false
              that.$api.msg(failres.errmsg)
            }).then(res => {
              that.submiting = false
              item.status = 80
            })
          }
        }
      })
    },
    // 订单退款
    refundConfirm() {
      const that = this
      if (that.submiting) {
        return
      }
      that.submiting = true
      that.$api.request('order', 'refund', {
        orderNo: that.refundOrderItem.orderNo,
        reason: that.inputRefundReason
      }, failres => {
        that.submiting = false
        that.$api.msg(failres.errmsg)
      }).then(res => {
        that.submiting = false
        that.refundOrderItem.status = 60
        that.$api.msg('申请退款成功！')
      })
    },
    refundOrder(item) {
      const that = this
      that.refundOrderItem = item
      that.refundShow = true
      that.inputRefundReason = ''
    },
    // 确认订单
    confirmOrder(item) {
      const that = this
      uni.showModal({
        title: '收货？',
        content: '您确定要确认收货吗？',
        success: (e) => {
          if (e.confirm) {
            that.submiting = true
            that.$api.request('order', 'confirm', {
              orderNo: item.orderNo
            }, failres => {
              that.submiting = false
              that.$api.msg(failres.errmsg)
            }).then(res => {
              that.submiting = false
              item.status = 40
            })
          }
        }
      })
    },
    showShipTrace(item) {
      uni.navigateTo({
        url: '/pages/order/trace?orderno=' + item.orderNo
      })
    },
    // 评价订单
    appraiseOrder(item) {
      uni.navigateTo({
        url: '/pages/order/appraise?orderid=' + item.id
      })
    }
  }
}
</script>

<style lang="scss">
	page,
	.content {
		background: $page-color-base;
		height: 100%;
	}

	.swiper-box {
		height: calc(100vh - 40px);
	}

	.list-scroll-content {
		height: calc(100vh - 40px);
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0, 0, 0, .06);
		position: relative;
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}

	.order-item {
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;

		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right: 30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;

			.time {
				flex: 1;
			}

			.state {
				color: $base-color;
			}

			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;

				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}

		/* 多条商品 */
		.goods-box {
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;

			.goods-item {
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}

			.goods-img {
				display: block;
				width: 100%;
				height: 100%;
			}
		}

		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 20upx 0;

			.goods-img {
				display: block;
				width: 120upx;
				height: 120upx;
			}

			.right {
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;

				.title {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}

				.attr-box {
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}

				.price {
					font-size: $font-base + 2upx;
					color: $font-color-dark;

					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}

			.price {
				font-size: $font-lg;
				color: $font-color-dark;

				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}

		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}

		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;

			&:after {
				border-radius: 100px;
			}

			&.recom {
				background: #fff9f9;
				color: $base-color;

				&:after {
					border-color: #f7bcc8;
				}
			}
		}
	}

	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}

	.uni-load-more__img>view {
		position: absolute
	}

	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}

	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}

	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}

	.load2 {
		transform: rotate(30deg)
	}

	.load3 {
		transform: rotate(60deg)
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s
	}

	.load2 view:nth-child(1) {
		animation-delay: .13s
	}

	.load3 view:nth-child(1) {
		animation-delay: .26s
	}

	.load1 view:nth-child(2) {
		animation-delay: .39s
	}

	.load2 view:nth-child(2) {
		animation-delay: .52s
	}

	.load3 view:nth-child(2) {
		animation-delay: .65s
	}

	.load1 view:nth-child(3) {
		animation-delay: .78s
	}

	.load2 view:nth-child(3) {
		animation-delay: .91s
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1
		}

		100% {
			opacity: .2
		}
	}
</style>
